Cheapest return flights from Washington to Sydney in March from $1131

AirHint found the following cheapest return flights from Washington (IAD) to Sydney (SYD) in March 2026 (see full year).

Return flights

26 Mar - 12 Apr Air Canada
30 Mar - 28 Apr Air Canada
26 Mar - 31 Mar Frontier Airlines
09 Mar - 23 Mar Frontier Airlines
02 Mar - 09 Mar Air New Zealand
01 Mar - 08 Mar Air New Zealand
13 Mar - 21 Mar Air Canada
14 Mar - 21 Mar Air Canada
14 Mar - 30 Mar Frontier Airlines
22 Mar - 05 Apr Air Canada
01 Mar - 13 Mar Turkish Airlines
01 Mar - 10 Mar Air Canada
07 Mar - 28 Mar Etihad Airways
28 Mar - 03 Apr Etihad Airways

Also check the deals for one-way flights from Washington to Sydney in March.

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